Battery pack for a mobile device



FIG. 1 is a perspective view of a first embodiment of an ornamental design for a battery pack for a mobile device.

FIG. 2 is a front view of the first embodiment thereof.

FIG. 3 is a first side view of the first embodiment thereof.

FIG. 4 is a second side view of the first embodiment thereof.

FIG. 5 is a rear view of the first embodiment thereof.

FIG. 6 is a top view of the first embodiment thereof; and,

FIG. 7 is a bottom view of the first embodiment thereof.

The broken lines shown in FIGS. 1–7 are directed to environment and are for illustrative purposes only; the broken lines form no part of the claim design. 

The ornamental design for a battery pack for a mobile device, as shown and described. 